Duct-In Air Purifier module is suitable for installing in the central air system(HVAC) where it sterilizes airborne viruses and bacterias. Air Sterilizer also suppresses mold growth on the cooling coils and surrounding areas while generally improving indoor air quality throughout the home. The UV rays inactivate the germs, fungi and virus etc, in the air in the duct at the rate of 99.9% PCO(Tio2) materials can be added at two sides to increase the purifying efficiency…